"When nerdy 12-year-old Charlie Drinkwater spontaneously morphs into a giant sea creature, the big question is: could this be his ticket to popularity at last?"--.
It's up to Thomas and McGrowl to use their powers of telepathy and bionic-doggie strengths to sniff out the truth about a suspicious mayoral candidate who has his eye on the quiet town of Cedar Springs.
Thomas and his bionic dog McGrowl investigate when it becomes obvious that something is not quite right at Hiram Biddle's new obedience school for dogs.
McGrowl, a bionic superdog, is invited, along with his boy Thomas, to visit his original owner Edwina Tuttle, and finds himself on a wild goose chase, courtesy of the evil Milton Smudge.
